Survivor founder Frank Sullivan is risin’ up with a legal challenge against the former bandmate who sang the group’s biggest hit, “Eye of the Tiger.”

Sullivan filed a breach of contract and trademark infringement lawsuit in federal court claiming ex-singer David Bickler is using the band’s name and likeness to promote his solo career without permission.

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Bickler, who lives in Chappaqua, N.Y., was one of the five original members of Survivor and shot to worldwide fame in 1982 when “Eye of the Tiger” became a blockbuster No. 1 hit as the theme song for the movie “Rocky III.”

According to Sullivan’s seven-page lawsuit filed in Illinois, Bickler “voluntarily” forfeited any right to use the band’s name or logo when he agreed to leave the group in 1984.

Bickler violated the agreement when he posted the Survivor logo on his website, used it to promote appearances and called himself “TheSurvivorDave” on Instagram, the lawsuit claims.

“Sullivan and Survivor Music, Inc. have been and will continue to be irreparably harmed by Bickler’s unlawful acts, which will continue unless enjoined by the court. The plaintiffs have no adequate remedy at law for Bickler’s ongoing deceptive practices,” the lawsuit states.

Bickler, who won a Grammy for “Eye of the Tiger,” did not immediately respond to a request for comment Monday.

Survivor broke up in 1988, but Sullivan reunited with Bickler and other band members multiple times over the years.

Bickler was most recently fired from the band in March of 2016.

Sullivan also previously sued former lead singer Jimi Jamison for using the Survivor name to tour on his own.